22222144122222 has 64 divisors (see below), whose sum is σ = 52530595248384. Its totient is φ = 6190474160640.

The previous prime is 22222144122203. The next prime is 22222144122293.

22222144122222 is nontrivially palindromic in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 22222144122222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 230252133 + ... + 230348624.

It is an arithmetic number, because the mean of its divisors is an integer number (820790550756).

Almost surely, 2^{22222144122222} is an apocalyptic number.

22222144122222 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

22222144122222 is an abundant number, since it is smaller than the sum of its proper divisors (30308451126162).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22222144122222 is a wasteful number, since it uses less digits than its factorization.

22222144122222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 460600833.

The product of its digits is 16384, while the sum is 30.

It can be divided in two parts, 2222214 and 4122222, that added together give a palindrome (6344436).

The spelling of 22222144122222 in words is "twenty-two trillion, two hundred twenty-two billion, one hundred forty-four million, one hundred twenty-two thousand, two hundred twenty-two".